John is researching the job of a quality control inspector. he thinks it would be fun to monitor the production process and test products to make sure that they’re in line with the specifications and standards. which two skills or abilities are important for him to have to be a successful quality control inspector?

Aproperty title search firm is contemplating using online software to increase its search productivity. currently an average of 40 minutes is needed to do a title search. the researcher cost is $2 per minute. clients are charged a fee of $400. company a's software would reduce the average search time by 10 minutes, at a cost of $3.50 per search. company b's software would reduce the average search time by 12 minutes at a cost of $3.60 per search. which option would have the higher productivity in terms of revenue per dollar of input?